83297161 has 8 divisors (see below), whose sum is σ = 89406504. Its totient is φ = 77322240.

The previous prime is 83297089. The next prime is 83297167. The reversal of 83297161 is 16179238.

It can be written as a sum of positive squares in 4 ways, for example, as 24314761 + 58982400 = 4931^2 + 7680^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83297161 - 2⁷ = 83297033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83297161.

It is not an unprimeable number, because it can be changed into a prime (83297167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32320 + ... + 34801.

It is an arithmetic number, because the mean of its divisors is an integer number (11175813).

Almost surely, 2^83297161 is an apocalyptic number.

It is an amenable number.

83297161 is a deficient number, since it is larger than the sum of its proper divisors (6109343).

83297161 is a wasteful number, since it uses less digits than its factorization.

83297161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67211.

The product of its digits is 18144, while the sum is 37.

The square root of 83297161 is about 9126.7278364154. The cubic root of 83297161 is about 436.7270243342.

The spelling of 83297161 in words is "eighty-three million, two hundred ninety-seven thousand, one hundred sixty-one".